package com.atguigu.gulimall.order.config;

import com.atguigu.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyMQConfig {

//    @RabbitListener(queues = "order.release.order.queue")
//    public void listener(OrderEntity entity, Channel channel, Message message) throws IOException {
//        System.out.println("收到过期的订单信息：准备关闭订单" + entity.getOrderSn());
//        channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
//    }

    /**
     * 容器中的 Queue，Exchange，Binding都会自动创建（RabbitMQ没有的情况）
     *
     * @return
     */
    @Bean
    public Queue orderDelayQueue() {
        Map<String, Object> argument = new HashMap<>();
        argument.put("x-dead-letter-exchange", "order-event-exchange");
        argument.put("x-dead-letter-routing-key", "order.release.order");
        argument.put("x-message-ttl", 60000);
        Queue queue = new Queue("order.delay.queue", true, false, false, argument);
        return queue;
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;
    }

    @Bean
    public Exchange orderEventExchange() {
        return new TopicExchange("order-event-exchange", true, false);
    }

    @Bean
    public Binding orderCreateOrderBinding() {
        return new Binding("order.delay.queue"
                , Binding.DestinationType.QUEUE
                , "order-event-exchange"
                , "order.create.order"
                , null);
    }

    @Bean
    public Binding orderReleaseOrderBinding() {
        return new Binding("order.release.order.queue"
                , Binding.DestinationType.QUEUE
                , "order-event-exchange"
                , "order.release.order"
                , null);
    }

    /**
     * 订单释放直接和库存释放进行绑定
     *
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinding() {
        return new Binding("order.release.stock.queue"
                , Binding.DestinationType.QUEUE
                , "order-event-exchange"
                , "order.release.other.#"
                , null);
    }

    @Bean
    public Queue orderSeckillOrderQueue() {
        return new Queue("order.seckill.order.queue", true, false, false);
    }

    @Bean
    public Binding orderSeckillOrderQueueBinding() {
        return new Binding("order.seckill.order.queue", Binding.DestinationType.QUEUE
                , "order-event-exchange", "order.seckill.order", null);
    }

}
